1. Describe your goal or material
Upload any source material.
Turn any topic, PDF, or syllabus into a personalized, bite-sized learning path guided by an always-on AI tutor.
How it starts
Rina turns a goal, question, or source into a path you start immediately.
Upload any source material.
Set your baseline, goals, and depth.
Rina recommends a focused Course or Specialization.
Advance through bite-sized explanations and practice, with instant support.
Momentum loop
Every chapter is a loop: explain the idea, show an example, ask you to practice, give feedback, then adapt the next step.
Explain
Example
Practice
Feedback
Adaptive next step
Smallest useful unit
When a learner is miscalibrated, the answer is not a whole prerequisite course. It is the exact piece that helps them keep going.
Why Rina
Traditional learning
Rina
When the path fits, progress feels possible again.
Rina closes the loop: durable structure, active practice, and support.
Study mode
Use Rina beside class notes, PDFs, exams, or self-study, building a private bite-sized path with practice and support.
Upload or paste content, then move through guided chapters, checks, feedback, and help.
Who it helps
Rina centers on individual momentum, while giving students and educators a way to turn course material into supplemental learning paths.
Use Rina when curiosity appears and you want more than a search result or playlist.
Use Rina as a study companion that turns lectures, PDFs, syllabi, or class context into support.
FAQs
Everything you need to know about starting and learning with Rina.
Most learning tools start with the content. Rina starts with you.
Before anything else, it asks about your background, what you already know, what you want to achieve, and how you learn. It then builds a path that fits you rather than asking you to fit it.
Lessons are short and focused on purpose. You move at your own pace, and if something is not clicking, it adjusts, a different explanation, a slower pace, or a chance to ask right then. You are never stuck waiting for help.
What people notice most is that it feels less like taking a course and more like learning with someone who knows you.
A typical online course is a recording of someone else's classroom. Built for a general audience, it starts from the same place, moves at the same pace, and explains things the same way, regardless of who you are or what you know.
Rina is different in a simple but meaningful way: the course is built around you, not the reverse. Your background shapes where it starts; your goals shape where it ends. And because a tutor is with you throughout, you are not just watching, you are engaging, asking, and understanding.
It is the difference between a lecture hall and having a good teacher to yourself.
Quite a lot. Math, programming, science, writing, history, economics, languages, music theory, if it can be taught, Rina can help you learn it.
This works because Rina does not rely on a fixed catalog. It builds the course from your goal, so it handles topics that are specific, interdisciplinary, or in between. Whether you want a broad introduction or a deep dive into something niche, it starts from what you want to learn, and meets you where you are.
Yes, this is the whole point.
Two people can want the same subject but come from different places. One might be a complete beginner. The other might already work in the field and just want to fill specific gaps. They should not be taking the same course, and with Rina, they do not have to.
Rina adjusts the depth and pace based on what you already know, and it shapes the course around what you are trying to accomplish, whether that is understanding for the first time, preparing for an exam, or getting up to speed. It is not personalized once and forgotten; it keeps paying attention as you progress.
You ask. Right then, right there.
One of the hardest things about learning on your own is that confusion has nowhere to go. You hit a wall, cannot find a clear answer, and the motivation drains away. Most people do not quit because the subject is too hard, they quit because they got stuck with no one to help.
Rina has a tutor built into every session. If something is not landing, you can ask immediately and get an explanation that addresses your confusion, not a generic answer, but one that fits where you are. You stay in the flow instead of losing it.
There is a well-known gap between finishing a lesson and remembering it. Rina is designed to close that gap.
The short lesson format is intentional. Our brains absorb information better in smaller doses with time to process, not in long sessions where everything blurs together. Because each step is interactive, not just something you read or watch, you do the work of understanding as you go, not hoping it sticks later.
Rina also sends brief recaps after sessions, so key ideas get reinforced rather than forgotten. The goal has always been lasting understanding, not a completed progress bar.